/*******************************************************************************
 * Validator v1.05 code by 我佛山人 wfsr@msn.com
 ******************************************************************************/

//定义系统变量
Variable = {
	
	nowDate : "当前时间"	,
	require : "不能为空",
	notValid : "格式不合法",
	isNumer : "必须是数字",
	isChinese : "必须是中文",
	isEnglish : "必须是英文",
	isInteger: "必须是整数",
	isDouble: "必须是实数",
	unSafe: "不是安全字符",
	getCustomStr:function(str){
	  return str;
    }
				
};


Validator = {	
    Require : [/.+/,Variable.require],
	Email : [/^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$/,Variable.notValid],
	Phone : [/^((\(\d{2,3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}(\-\d{1,4})?$/,Variable.notValid],
	Mobile : [/^((\(\d{2,3}\))|(\d{3}\-))?13\d{9}$/,Variable.notValid],
	Url : [/^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/,Variable.notValid],
	IdCard : ["this.IsIdCard(value)",Variable.notValid],
	Currency : [/^\d+(\.\d+)?$/,Variable.notValid],
	Number : [/^\d+$/,Variable.isNumer],
	Zip : [/^[1-9]\d{5}$/,Variable.notValid],
	QQ : [/^[1-9]\d{4,8}$/,Variable.notValid],
	Integer : [/^[-\+]?\d+$/,Variable.isInteger],
	Double : [/^[-\+]?\d+(\.\d+)?$/,Variable.isDouble],
	English : [/^[A-Za-z]+$/,Variable.isEnglish],
	Chinese : [/^[\u0391-\uFFE5]+$/,Variable.isChinese],
	Username : [/^[a-z]\w{3,}$/i,''],
	UnSafe : [/^(([A-Z]*|[a-z]*|\d*|[-_\~!@#\$%\^&\*\.\(\)\[\]\{\}<>\?\\\/\'\"]*)|.{0,5})$|\s/,Variable.unSafe],
	IsSafe : function(str) {
		return !this.UnSafe.test(str);
	},
	SafeString : ["this.IsSafe(value)",''],
	Filter : ["this.DoFilter(value, getAttribute('accept'))","必须是 ${accept} 格式"],
	Limit : ["this.limit(value.length,getAttribute('min'), getAttribute('max'))","字符数必须在  ${min} 和  ${max} 之间"],
	LimitFix : ["this.limitCustom(value.length,getAttribute('length'),'fix')","字符数必须是  ${length} 位"],
	LimitMax : ["this.limitCustom(value.length,getAttribute('length'),'max')","字符数不能大于  ${length} 位"],
	LimitMin : ["this.limitCustom(value.length,getAttribute('length'),'min')","字符数不能小于  ${length} 位"],
	LimitB : ["this.limit(this.LenB(value), getAttribute('min'), getAttribute('max'))","字节数必须在 ${min} 和 ${max} 之间"],
	Date : ["this.IsDate(value, getAttribute('min'), getAttribute('format'))",'不合法'],
	DateMin : ["this.dateCompare(value, getAttribute('min'),'gt')",'必须大于${min}'],
	DateMax : ["this.dateCompare(value, getAttribute('max'),'lt')",'必须小于${max}'],
	Repeat : ["value == document.getElementsByName(getAttribute('to'))[0].value",'不能为空'],
	Range : ["getAttribute('min') < (value|0) && (value|0) < getAttribute('max')","范围必须在 ${min}和 ${max} 之间"],
	Compare : ["this.compare(value,getAttribute('operator'),getAttribute('to'))"," ${value}必须 ${operator} ${to} "],
	Custom : ["this.Exec(value, getAttribute('regexp'))",'格式不合法'],
	Group : ["this.MustChecked(getAttribute('name'), getAttribute('min'), getAttribute('max'))",''],
	ErrorItem : [ document.forms[0] ],
	ErrorMessage : [ "以下原因导致提交失败：\t\t\t\t" ],
	Validate : function(theForm, mode) {
		var obj = theForm || event.srcElement;
		var count = obj.elements.length;
		this.ErrorMessage.length = 1;
		this.ErrorItem.length = 1;
		this.ErrorItem[0] = obj;
		for ( var i = 0; i < count; i++) {
			with (obj.elements[i]) {
				
				var collDataType =  getAttribute("dataType");
				if(collDataType == null) continue;
				collDataType = collDataType.toString().split("|");
				for(var j = 0; j < collDataType.length; j++){
					
					var _dataType = collDataType[j];
					if (typeof (_dataType) == "object"
						|| typeof (this[_dataType]) == "undefined")
						continue;
					this.ClearState(obj.elements[i]);
					if (getAttribute("require") == "false" && value == "")
						continue;
					var msgValue = null;
					var collMsg = getAttribute("msg");
					if(collMsg != null ){
						msgValue = collMsg.split("|")[j];
						if(msgValue == 'null' || msgValue == ''){
							msgValue = null;
						}
					}
					switch (_dataType) {
					case "IdCard":
					case "Date":
					case "DateMin":
					case "DateMax":
					case "Repeat":
					case "Range":
					case "Compare":
					case "Custom":
					case "Group":
					case "Limit":
					case "LimitFix":
					case "LimitMax":
					case "LimitMin":
					case "LimitB":
					case "SafeString":
					case "Filter":
						if (!eval(this[_dataType][0]) && this['Require'][0].test(value)) {   //数组中的方法
							var postFixMsg = this.getPostFixMsg(obj.elements[i], this[_dataType][1]);
							this.AddError(i, msgValue,postFixMsg);
						}
						break;
					default:
						if((_dataType != 'Require' && !this[_dataType][0].test(value) && this['Require'][0].test(value)) | (_dataType == 'Require' && !this[_dataType][0].test(value))){
							
							var postFixMsg = this.getPostFixMsg(obj.elements[i], this[_dataType][1]);
							this.AddError(i, msgValue,postFixMsg);
						}
					break;
					}
				}
			}
		}
		if (this.ErrorMessage.length > 1) {
			mode = mode || 1;
			var errCount = this.ErrorItem.length;
			switch (mode) {
			case 2:
				for ( var i = 1; i < errCount; i++)
					this.ErrorItem[i].style.color = "red";
			case 1:
				alert(this.ErrorMessage.join("\n"));
				this.ErrorItem[1].focus();
				break;
			case 3:
				var msgStr = "<font color='red'>";
				for ( var i = 1; i < errCount; i++) {
					try {
						//this.ErrorItem[i].style.color = "red";
						this.ErrorItem[i].style.borderColor = "red";
						msgStr += this.ErrorMessage[i].replace("*","")+"</br>";
						
					} catch (e) {
						alert(e.message);
						return false;
					}
				}
				try{
					msgStr += "</font>";
					var oMsgDiv = document.getElementById("errMsg");
					if(oMsgDiv == null){
						throw(new Error(-1,"未定义错误消息区域!"));
					}
					oMsgDiv.innerHTML = msgStr;
					this.ErrorItem[1].focus();
				}catch(e){
					alert(e.message);
					return false;
				}
				break;
			default:
				alert(this.ErrorMessage.join("\n"));
				break;
			}
			return false;
		}
		return true;
	},
	limit : function(len, min, max) {
		min = min || 0;
		max = max || Number.MAX_VALUE;
		return min <= len && len <= max;
	},
	limitCustom : function(len, length,type) {
		length = length || Number.MAX_VALUE;
		var flag = len == length;
		if(type == 'max'){
			flag = len <= length;
		}else if(type == 'min'){
			flag = len >= min;
		}
		return flag;
	},
	LenB : function(str) {
		return str.replace(/[^\x00-\xff]/g, "**").length;
	},
	//清除样式
	ClearState : function(elem) {
		with (elem) {
			//if (style.color == "red")
			//	style.color = "";
			if (style.borderColor == "red")
				style.borderColor = "";
			var lastNode = parentNode.childNodes[parentNode.childNodes.length - 1];
			if (lastNode.id == "__ErrorMessagePanel")
				parentNode.removeChild(lastNode);
		}
	},
	AddError : function(index, str,postFixMsg) {
		
		var currObj = this.ErrorItem[0].elements[index];
		if(str == null){
			
    		if(navigator.appName.indexOf("Explorer") > -1){  //IE
    			str = currObj.parentNode.previousSibling.innerText + postFixMsg;
			} else{ 
				str = currObj.parentNode.previousSibling.textContent + postFixMsg;
			} 
		}
		this.ErrorItem[this.ErrorItem.length] = currObj;
		this.ErrorMessage[this.ErrorMessage.length] = this.ErrorMessage.length
				+ ":" + str;
	},
	Exec : function(op, reg) {
		return new RegExp(reg, "g").test(op);
	},
	compare : function(op1, operator, op2) {
		switch (operator) {
		case "NotEqual":
			return (op1 != op2);
		case "GreaterThan":
			return (op1 > op2);
		case "GreaterThanEqual":
			return (op1 >= op2);
		case "LessThan":
			return (op1 < op2);
		case "LessThanEqual":
			return (op1 <= op2);
		default:
			return (op1 == op2);
		}
	},
	MustChecked : function(name, min, max) {
		var groups = document.getElementsByName(name);
		var hasChecked = 0;
		min = min || 1;
		max = max || groups.length;
		for ( var i = groups.length - 1; i >= 0; i--)
			if (groups[i].checked)
				hasChecked++;
		return min <= hasChecked && hasChecked <= max;
	},
	DoFilter : function(input, filter) {
		return new RegExp("^.+\.(?=EXT)(EXT)$".replace(/EXT/g, filter.split(
				/\s*,\s*/).join("|")), "gi").test(input);
	},
	IsIdCard : function(number) {
		var date, Ai;
		var verify = "10x98765432";
		var Wi = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ];
		var area = [ '', '', '', '', '', '', '', '', '', '', '', '北京', '天津',
				'河北', '山西', '内蒙古', '', '', '', '', '', '辽宁', '吉林', '黑龙江', '',
				'', '', '', '', '', '', '上海', '江苏', '浙江', '安微', '福建', '江西',
				'山东', '', '', '', '河南', '湖北', '湖南', '广东', '广西', '海南', '', '',
				'', '重庆', '四川', '贵州', '云南', '西藏', '', '', '', '', '', '', '陕西',
				'甘肃', '青海', '宁夏', '新疆', '', '', '', '', '', '台湾', '', '', '',
				'', '', '', '', '', '', '香港', '澳门', '', '', '', '', '', '', '',
				'', '国外' ];
		var re = number
				.match(/^(\d{2})\d{4}(((\d{2})(\d{2})(\d{2})(\d{3}))|((\d{4})(\d{2})(\d{2})(\d{3}[x\d])))$/i);
		if (re == null)
			return false;
		if (re[1] >= area.length || area[re[1]] == "")
			return false;
		if (re[2].length == 12) {
			Ai = number.substr(0, 17);
			date = [ re[9], re[10], re[11] ].join("-");
		} else {
			Ai = number.substr(0, 6) + "19" + number.substr(6);
			date = [ "19" + re[4], re[5], re[6] ].join("-");
		}
		if (!this.IsDate(date, "ymd"))
			return false;
		var sum = 0;
		for ( var i = 0; i <= 16; i++) {
			sum += Ai.charAt(i) * Wi[i];
		}
		Ai += verify.charAt(sum % 11);
		return (number.length == 15 || number.length == 18 && number == Ai);
	},
	IsDate : function(op, formatString) {
		formatString = formatString || "ymd";
		var m, year, month, day;
		switch (formatString) {
		case "ymd":
			m = op.match(new RegExp(
					"^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$"));
			if (m == null)
				return false;
			day = m[6];
			month = m[5] * 1;
			year = (m[2].length == 4) ? m[2] : GetFullYear(parseInt(m[3], 10));
			break;
		case "dmy":
			m = op.match(new RegExp(
					"^(\\d{1,2})([-./])(\\d{1,2})\\2((\\d{4})|(\\d{2}))$"));
			if (m == null)
				return false;
			day = m[1];
			month = m[3] * 1;
			year = (m[5].length == 4) ? m[5] : GetFullYear(parseInt(m[6], 10));
			break;
		default:
			break;
		}
		if (!parseInt(month))
			return false;
		month = month == 0 ? 12 : month;
		var date = new Date(year, month - 1, day);
		return (typeof (date) == "object" && year == date.getFullYear()
				&& month == (date.getMonth() + 1) && day == date.getDate());
		function GetFullYear(y) {
			return ((y < 30 ? "20" : "19") + y) | 0;
		}
	},
	
	//时间比较
	dateCompare : function(value, compareProperty,op) {
		
		try{
			var dateValue = null;
			if(compareProperty != null){
				if(document.getElementById(compareProperty)){
					var oDate = document.getElementById(compareProperty);
					dateValue = new Date(oDate.value.replace('-','/')).getTime();
				}
			}else{
				dateValue = new Date().getTime()
			}
			value = new Date(value.replace('-','/')).getTime();
			switch(op){
			case "gt":
				return value > dateValue;
			case "lt":
				return value < dateValue;
			default:
				return value == dateValue;
			}
		}catch(e){
			alert(e.message);
		}
		
	},
	
	
	//获得处理获得后缀消息
	getPostFixMsg : function(ob,msg){
		
		try{
			var index = msg.indexOf('${');
			while(index != -1){
				var end = msg.indexOf("}",index);
				var variable = msg.substring(index+2,end);
				var value = ob.getAttribute(variable);
				if(!this.Number[0].test(value)){
					var sysValue = eval("Variable."+value);
					if(sysValue != null){
						value = sysValue;
					}
				}
				var htmlObj = document.getElementById(value);
				if(htmlObj != null){
					
		    		if(navigator.appName.indexOf("Explorer") > -1){  //IE
		    			value = htmlObj.parentNode.previousSibling.innerText;
					} else{ 
						value = htmlObj.parentNode.previousSibling.textContent;
					}
				}
				msg = msg.replace('\$\{'+variable+'\}',value);
				index = msg.indexOf('${',end);
			}
			msg = msg.replace("*","");
			
		}catch(e){
			alert(e.message);
			throw(new Error(-1,"获得消息出错!"));
		}
		
		return msg;
	}
}
